CVE-2026-87471
High
Description
Incorrect authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
SeverityHigh
CVSS8.1
Exploit probability—
Product
Google Chrome
PublishedSep 9, 2026
First seenSep 9, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- google chrome153.0.8010.36 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| google chrome | v < 153.0.8010.36 | 153.0.8010.36 |
| microsoft edge_chromium | No range specified | — |
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